Quick answers
- Does Sankar S. Alagugurusamy accept Medicare assignment?
- Yes. Medicare's clinician data says Sankar S. Alagugurusamy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Sankar S. Alagugurusamy see?
- In 2024, CMS data shows 532 Original Medicare patients and 983 services for Sankar S. Alagugurusamy. This counts Original Medicare only and measures volume, not quality.
- What is Sankar S. Alagugurusamy's NPI number?
- 1093970576. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Sankar S. Alagugurusamy, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 532 |
|---|---|
| Services billed to Medicare | 983 |
| Different services or procedures | 52 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)162 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)158 services
- Biopsy of large bowel using a flexible endoscope (45380)90 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)85 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)65 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure69%
- High cholesterol68%
- Arthritis47%
- Diabetes25%
- Ischemic heart disease22%
- Anxiety22%
Hospitals where Sankar S. Alagugurusamy works
Medicare's Facility Affiliation Data lists Sankar S. Alagugurusamy at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Cascade Valley HospitalArlington, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500060
- Island HospitalAnacortes, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500007
- Skagit Valley HospitalMount Vernon, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500003
- Whidbeyhealth Medical CenterCoupeville, WA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 501339
Practice locations
Addresses where Sankar S. Alagugurusamy is enrolled with Medicare (CMS data updated October 2, 2026).
- 1400 E Kincaid StMount Vernon, WA 98274 (360) 428‑2500
- 1415 E Kincaid StMount Vernon, WA 98274 (360) 416‑5750
- 211 S 13th StMount Vernon, WA 98274 (360) 814‑5900
Group practices
Medicare enrollment lists Sankar S. Alagugurusamy as a member of this group (CMS data updated October 2, 2026).
- Public Hospital Dist No 1 Skagit323 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Mount Vernon
Clinicians with the same Medicare primary specialty in Mount Vernon, WA — not a recommendation.
Other clinicians in Public Hospital Dist No 1 Skagit
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1093970576 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians